﻿.tabla {
    font-size: 2em;
    margin: 10px;
    border-collapse: collapse;
    empty-cells: show;
    display: inline-block;
}

.tabla td {
    width: 1.5em;
    height: 1.5em;
    background-color: lightskyblue;
    text-align: center;
    border: 1px solid black;
}